/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hive.ql.plan.mapper;

import java.util.Objects;

import org.apache.hadoop.hive.ql.optimizer.signature.OpTreeSignature;
import org.apache.hadoop.hive.ql.optimizer.signature.RelTreeSignature;
import org.apache.hadoop.hive.ql.stats.OperatorStats;

import com.fasterxml.jackson.annotation.JsonProperty;

public final class PersistedRuntimeStats {

  @JsonProperty
  public OpTreeSignature sig;
  @JsonProperty
  public OperatorStats stat;
  @JsonProperty
  public RelTreeSignature rSig;

  PersistedRuntimeStats() {
  }

  public PersistedRuntimeStats(OpTreeSignature sig, OperatorStats stat, RelTreeSignature rSig) {
    this.sig = sig;
    this.stat = stat;
    this.rSig = rSig;
  }

  @Override
  public int hashCode() {
    return Objects.hash(sig, stat, rSig);
  }

  @Override
  public boolean equals(Object obj) {
    if (!(obj instanceof PersistedRuntimeStats)) {
      return false;
    }
    PersistedRuntimeStats o = (PersistedRuntimeStats) obj;
    return Objects.equals(sig, o.sig) && Objects.equals(stat, o.stat) && Objects.equals(rSig, o.rSig);
  }
}
